Obliquely Speaking

Recording by Billy Cobham.

Recording identifiers

ISRC
US3M51002603
CopyrightID (CopyrightChains transaction hash)
0x3cfb2c019eb08a37786e032fa2cebfc87e562ffd78c69ac659ce1a6f5ec4f2fa
Copyright registration time
2026-06-22T06:43:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:485f1d1804a735270d6750fd510ddf4de2676491da407c7e67826abc93cd1c38

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.